Harnham - Data & Analytics Recruitment
Penetration Tester
Penetration Tester at Harnham - Data & Analytics Recruitment, based in London, South East England, paying £500 - £550 per day. This is a permanent role.
- Pay
- £500 - £550 per day
- Hours and contract
- Permanent · On site
- Location
- London, South East England
- Closing date
- Sector
- QA Tester
About 6% above the going rate for qa tester
Reference 57504993
About the role
- Lead and deliver end-to-end infrastructure and network penetration testing engagements.
- Perform in-depth assessments of enterprise network architectures and identify security weaknesses beyond standard vulnerability scanning.
- Conduct security testing across network boundaries and complex infrastructure environments.
- Engage directly with stakeholders to scope testing activities and communicate findings.
- Produce clear technical reports and present remediation recommendations to both technical and non-technical audiences.
- Contribute to the ongoing development and maturity of the internal security testing capability.
- Strong experience delivering infrastructure and network penetration testing engagements.
- Proven capability in assessing complex network architectures and identifying exploitable weaknesses.
- Experience managing the full penetration testing lifecycle independently, from scoping through to reporting.
- Ability to communicate technical findings and recommendations clearly to a range of stakeholders.
- Strong client-facing and report-writing skills.
- Experience working across large, complex environments with multiple stakeholders.
- Exposure to Operational Technology (OT) security testing would be advantageous.
- Experience within telecommunications, retail, critical infrastructure, or similarly complex environments would be beneficial.
- Comfortable collaborating with international teams across different regions and time zones.
Reference: 57504993 · Posted 1 day ago · Closes 10 Dec 2026 · Listed via Harnham - Data & Analytics Recruitment
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